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Finding the Fourth Proportional to 1,026.20, 1,536.06 and 732.76

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Solution

The fourth proportional to 1,026.20, 1,536.06 and 732.76 is: 1,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.20 : 1,536.06 = 732.76 : x
  2. Step 2: Convert to fraction form
    1,026.20/1,536.06 = 732.76/x
  3. Step 3: Cross multiply
    1,026.20x = 1,536.06 × 732.76
  4. Step 4: Simplify right side
    1,026.20x = 1,125,563.33
  5. Step 5: Solve for x
    x = 1,125,563.33/1,026.20
  6. Step 6: Final answer
    x = 1,096.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.